Occurrences, sources, and transport of hydrophobic organic contaminants in the waters of Fildes Peninsula, Antarctica
As a pristine continent, Antarctica provides a good opportunity to study the spatial transport and temporal accumulation of environmental contaminants and the impacts of anthropogenic activities, both of which have given rise to ongoing public concern. In this research, an approach of coupling aquat...
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ftchacadscircees:oai:ir.rcees.ac.cn:311016/41394 2023-05-15T13:51:53+02:00 Occurrences, sources, and transport of hydrophobic organic contaminants in the waters of Fildes Peninsula, Antarctica Gao, Xiaozhong Huang, Chao Rao, Kaifeng Xu, Yiping Huang, Qinghui Wang, Feng Ma, Mei Wang, Zijian 2018-10-01 http://ir.rcees.ac.cn/handle/311016/41394 unknown ENVIRONMENTAL POLLUTION http://ir.rcees.ac.cn/handle/311016/41394 cn.org.cspace.api.content.CopyrightPolicy@386c1a88 Antarctic waters Passive sampling Organophosphorus flame retardants (PFRs) Local source Anthropogenic impact Article 期刊论文 2018 ftchacadscircees 2020-12-22T10:25:41Z As a pristine continent, Antarctica provides a good opportunity to study the spatial transport and temporal accumulation of environmental contaminants and the impacts of anthropogenic activities, both of which have given rise to ongoing public concern. In this research, an approach of coupling aquatic time-integrated passive sampling with chemical analysis and bioassays was used to assess pollution by hydrophobic organic contaminants in Antarctic waters. Passive samplers were deployed in waters of Fildes Peninsula, Antarctica, and their extracts were used for chemical analyses of sixty-six hydrophobic organic contaminants belonging to five groups [organophosphorus flame retardants (PFRs), phthalic acid esters (PAEs), polycyclic aromatic hydrocarbons (PAHs), organochlorine pesticides (OCPs), and polychlorinated biphenyls (PCBs)] and in vitro bioassays for endocrine disruption and genotoxicity. In total, twenty pollutants (six PFRs, one PAE, two PAHs, six OCPs, and five PCBs) were quantified, and six PFRs had concentrations that ranged from ND (not detected) to 44.37 ng L-1 in Antarctic waters. The concentrations detected in the waters were generally low and insufficient to have significant in vitro endocrine disruption potential or genotoxicity. The source and transport pathways of PFRs and PAE in Fildes Peninsula were studied, and multiple local sources (wastewater, air traffic, research stations, and animal feces) for different PFRs were proposed. A spatial and temporal analysis showed slight changes in the exposure of OCPs and PCBs in Antarctic waters. Furthermore, a comparison among a variety of Antarctic water sampling cases revealed that passive sampling can be a tool for aquatic time-integrated investigations in polar regions. (C) 2018 Elsevier Ltd. All rights reserved. Article in Journal/Newspaper Antarc* Antarctic Antarctica Research Center for Eco-Environmental Sciences: RCEES OpenIR (Chinese Academy of Sciences) Antarctic Fildes ENVELOPE(-58.817,-58.817,-62.217,-62.217) Fildes peninsula ENVELOPE(-58.948,-58.948,-62.182,-62.182) |
institution |
Open Polar |
collection |
Research Center for Eco-Environmental Sciences: RCEES OpenIR (Chinese Academy of Sciences) |
op_collection_id |
ftchacadscircees |
language |
unknown |
topic |
Antarctic waters Passive sampling Organophosphorus flame retardants (PFRs) Local source Anthropogenic impact |
spellingShingle |
Antarctic waters Passive sampling Organophosphorus flame retardants (PFRs) Local source Anthropogenic impact Gao, Xiaozhong Huang, Chao Rao, Kaifeng Xu, Yiping Huang, Qinghui Wang, Feng Ma, Mei Wang, Zijian Occurrences, sources, and transport of hydrophobic organic contaminants in the waters of Fildes Peninsula, Antarctica |
topic_facet |
Antarctic waters Passive sampling Organophosphorus flame retardants (PFRs) Local source Anthropogenic impact |
description |
As a pristine continent, Antarctica provides a good opportunity to study the spatial transport and temporal accumulation of environmental contaminants and the impacts of anthropogenic activities, both of which have given rise to ongoing public concern. In this research, an approach of coupling aquatic time-integrated passive sampling with chemical analysis and bioassays was used to assess pollution by hydrophobic organic contaminants in Antarctic waters. Passive samplers were deployed in waters of Fildes Peninsula, Antarctica, and their extracts were used for chemical analyses of sixty-six hydrophobic organic contaminants belonging to five groups [organophosphorus flame retardants (PFRs), phthalic acid esters (PAEs), polycyclic aromatic hydrocarbons (PAHs), organochlorine pesticides (OCPs), and polychlorinated biphenyls (PCBs)] and in vitro bioassays for endocrine disruption and genotoxicity. In total, twenty pollutants (six PFRs, one PAE, two PAHs, six OCPs, and five PCBs) were quantified, and six PFRs had concentrations that ranged from ND (not detected) to 44.37 ng L-1 in Antarctic waters. The concentrations detected in the waters were generally low and insufficient to have significant in vitro endocrine disruption potential or genotoxicity. The source and transport pathways of PFRs and PAE in Fildes Peninsula were studied, and multiple local sources (wastewater, air traffic, research stations, and animal feces) for different PFRs were proposed. A spatial and temporal analysis showed slight changes in the exposure of OCPs and PCBs in Antarctic waters. Furthermore, a comparison among a variety of Antarctic water sampling cases revealed that passive sampling can be a tool for aquatic time-integrated investigations in polar regions. (C) 2018 Elsevier Ltd. All rights reserved. |
format |
Article in Journal/Newspaper |
author |
Gao, Xiaozhong Huang, Chao Rao, Kaifeng Xu, Yiping Huang, Qinghui Wang, Feng Ma, Mei Wang, Zijian |
author_facet |
Gao, Xiaozhong Huang, Chao Rao, Kaifeng Xu, Yiping Huang, Qinghui Wang, Feng Ma, Mei Wang, Zijian |
author_sort |
Gao, Xiaozhong |
title |
Occurrences, sources, and transport of hydrophobic organic contaminants in the waters of Fildes Peninsula, Antarctica |
title_short |
Occurrences, sources, and transport of hydrophobic organic contaminants in the waters of Fildes Peninsula, Antarctica |
title_full |
Occurrences, sources, and transport of hydrophobic organic contaminants in the waters of Fildes Peninsula, Antarctica |
title_fullStr |
Occurrences, sources, and transport of hydrophobic organic contaminants in the waters of Fildes Peninsula, Antarctica |
title_full_unstemmed |
Occurrences, sources, and transport of hydrophobic organic contaminants in the waters of Fildes Peninsula, Antarctica |
title_sort |
occurrences, sources, and transport of hydrophobic organic contaminants in the waters of fildes peninsula, antarctica |
publishDate |
2018 |
url |
http://ir.rcees.ac.cn/handle/311016/41394 |
long_lat |
ENVELOPE(-58.817,-58.817,-62.217,-62.217) ENVELOPE(-58.948,-58.948,-62.182,-62.182) |
geographic |
Antarctic Fildes Fildes peninsula |
geographic_facet |
Antarctic Fildes Fildes peninsula |
genre |
Antarc* Antarctic Antarctica |
genre_facet |
Antarc* Antarctic Antarctica |
op_relation |
ENVIRONMENTAL POLLUTION http://ir.rcees.ac.cn/handle/311016/41394 |
op_rights |
cn.org.cspace.api.content.CopyrightPolicy@386c1a88 |
_version_ |
1766255934363926528 |